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Effects of Salsalate on Prandial-Induced Vascular Inflammation After Spinal Cord Injury (SCI)

8. Juni 2015 aktualisiert von: Mark S. Nash, Ph.D., FACSM, University of Miami

Effects of Salsalate on Prandial-Induced Vascular Inflammation After SCI

The overall study objectives are to examine whether:

  1. Persons with spinal cord injury (SCI) having elevated body mass are at greater cardiovascular disease (CVD) risk for fasting and postprandial lipidemia, glycemia, and vascular inflammation than persons with SCI having 'normal' body mass, and
  2. An inexpensive, low-risk, widely-available pharmacotherapy safely reduces CVD risks associated with fasting and postprandial lipidemia, glycemia, and vascular inflammation.

Studienübersicht

Detaillierte Beschreibung

To test Study Objective 1, 'overweight' and 'non-overweight' persons with SCI will be compared at baseline for fasting and postprandial responses. For Study Objective 2, all persons tested for Study Objective 1 will undergo randomization to either 1 month of Salsalate (4.0 g/day) or placebo. An untreated wash-in (1 month) will precede treatment (1 month), and a washout cross-over period (1 month) will follow. The last month will test effects of drug-placebo not examined in month 2. Fasting and postprandial responses will be tested at each time point. Intention-to-treat clinical standards ("…as randomized, so analyzed…") and 'last observation carried forward' clinical methods will be adopted.

Participants with tetraplegia are sought, as they have fewer exercise options than those with paraplegia and are at greater risk for sedentary lifestyle resulting in CVD, CVD risks, and obesity.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

18

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

    • Florida
      • Miami, Florida, Vereinigte Staaten, 33136
        • The Miami Project to Cure Paralysis

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • SCI resulting in tetraplegia at C3-C7
  • injury for more than one year

Exclusion Criteria:

  • 1. any recent dietary or other lifestyle changes;
  • 2. diabetes or inflammatory medical conditions;
  • 3. a pressure ulcer;
  • 4. lung or bladder infection;
  • 5. undiagnosed illness or fever;
  • 6. recent surgery;
  • 7. stomach ulcer or a history of stomach upset when taking aspirin or medicines like aspirin, or ,
  • 8. currently taking medicines used for pain or inflammation (aspirin and non-steroidal anti-inflammatory drugs, corticosteroids), blood vessel diseases (statins or fibric acid derivatives), blood clotting disorders (Coumadin, Plavix), infections (antibiotics), diabetes (Metformin), and burning 'central' pain (voltage regulators).

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Verhütung
  • Zuteilung: Zufällig
  • Interventionsmodell: Crossover-Aufgabe
  • Maskierung: Doppelt

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Placebo to Salsalate 2gr BID
Placebo twice a day for 30 days. Then Salsalate 2gr BID for 30 days.
Participants will undergo randomization to either 1 month of Salsalate (4.0 g/day) or placebo. An untreated wash-in (1 month) will precede treatment (1 month), and a washout cross-over period (1 month) will follow. After the wash-in month participants will receive either Salsalate or the placebo. The last month will test effects of drug-placebo not examined in month 2
Participants will undergo randomization to either 1 month of Salsalate (4.0 g/day) or placebo. An untreated wash-in (1 month) will precede treatment (1 month), and a washout cross-over period (1 month) will follow. After the wash-in month participants will receive either Salsalate or the placebo. The last month will test effects of drug-placebo not examined in month 2.
Experimental: Salsalate 2gr BID to placebo
Salsalate 2grams twice a day for 30 days. Then Placebo for 30 days.
Participants will undergo randomization to either 1 month of Salsalate (4.0 g/day) or placebo. An untreated wash-in (1 month) will precede treatment (1 month), and a washout cross-over period (1 month) will follow. After the wash-in month participants will receive either Salsalate or the placebo. The last month will test effects of drug-placebo not examined in month 2
Participants will undergo randomization to either 1 month of Salsalate (4.0 g/day) or placebo. An untreated wash-in (1 month) will precede treatment (1 month), and a washout cross-over period (1 month) will follow. After the wash-in month participants will receive either Salsalate or the placebo. The last month will test effects of drug-placebo not examined in month 2.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Area Under the Curve (AUC) for Lipemia (Triglycerides) at Visits 2-3 or 4-5 Depending on Order of Treatment Assignment.
Zeitfenster: Each visit samples at 0 (immediately post-feeding), and 30,60,90,120,240,360,480 min post-feeding..

The postprandial lipemia is assessed by the change in the AUC for plasma triglycerides sampled before and after intervention at time points 0 (immediately post-feeding)to 480 min.

For peak TG, and TG area under the curve (AUC), treatments (placebo and salsalate) and visits (pre and post treatment) were defined as within-subject's factors.

Each visit samples at 0 (immediately post-feeding), and 30,60,90,120,240,360,480 min post-feeding..

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Area Under the Curve (AUC) for Glycemia (Glucose) at Visits 2-3 or 4-5 Depending on Order of Treatment Assignment.
Zeitfenster: Blood samples for each visit were sampled at 0 (immediately post-feeding), and 30,60,90,120,240,360,480 min post-feeding..

The postprandial glycemia is assessed by the change in the AUC for plasma glucose sampled before and after intervention at time points of 0 (immediately post-feeding) to 480 min.

For peak Glucose, and Glucose area under the curve (AUC), treatments (placebo and salsalate) and visits (pre and post treatment) were defined as within-subject's factors.

Blood samples for each visit were sampled at 0 (immediately post-feeding), and 30,60,90,120,240,360,480 min post-feeding..
Change in Area Under the Curve (AUC) for Lipemia (Free Fatty Acids ) at Visits 2-3 or 4-5 Depending on Order of Treatment Assignment.
Zeitfenster: Each visit sampled at 0 (immediately post-feeding), and 30,60,90,120,240,360,480 min post-feeding..

The postprandial lipemia is assessed by the change in the AUC for plasma Free fatty acids (FFA)sampled before and after intervention at time points of 0min immediately post feeding to 480 min.

For peak FFA area under the curve (AUC), treatments (placebo and salsalate) and visits (pre and post treatment) were defined as within-subject's factors.

Each visit sampled at 0 (immediately post-feeding), and 30,60,90,120,240,360,480 min post-feeding..
Change in Fasting Values for Vascular Inflammation IL-6 at Visits 2-3 or 4-5
Zeitfenster: Study visit at min -30 (fasting)

The pro-atherogenic inflammatory mediators are assessed by the change in fasting values of Interleukin-6 in plasma concentration Pre and Post intervention at -30 min ( fasting).

For fasting values treatments (placebo and salsalate) and visits (pre and post) were defined as within subject's factors.

Study visit at min -30 (fasting)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Ermittler

  • Hauptermittler: Mark S Nash, PhD, University of Miami Miller School of Medicine, The Miami Project to Cure Paralysis

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn

1. Juli 2009

Primärer Abschluss (Tatsächlich)

1. Mai 2012

Studienabschluss (Tatsächlich)

1. Mai 2012

Studienanmeldedaten

Zuerst eingereicht

8. September 2010

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

14. September 2010

Zuerst gepostet (Schätzen)

15. September 2010

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Schätzen)

10. Juni 2015

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

8. Juni 2015

Zuletzt verifiziert

1. Juni 2015

Mehr Informationen

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